A1.2.3.3 - Apply probability to practical situations.


Key Vocabulary: Compound Event, Probability, Combination, Dependent Event, Independent Event, Union, Intersection


A1.2.3.3.1 - Find probabilities for compound events (e.g., find probability of read and blue, find probability of red or blue) and represent as a fraction, decimal, or percent.

A number cube with sides labeled 1 through 6 is rolled two times, and the sum of the numbers that end face up is calculated. What is the probability that the sum of the numbers is 3?

A. 1/18

B. 1 /12

C. 1/9

D. 1 /2

The faces of a cube are numbered from 1 to 6. If the cube is tossed once, what is the probability that a prime number or a number divisible by 2 is obtained?

A. 6/6

B. 5/6

C. 4/6

D. 1/6

Additional Resources:


Compound Independent and Dependent Events
Probability Simulation